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<a name="1" href="#1">1</a>   <strong class="jxr_keyword">package</strong> org.apache.maven.plugin.deltacoverage;
<a name="2" href="#2">2</a>   
<a name="3" href="#3">3</a>   <strong class="jxr_keyword">import</strong> java.io.File;
<a name="4" href="#4">4</a>   <strong class="jxr_keyword">import</strong> java.util.List;
<a name="5" href="#5">5</a>   
<a name="6" href="#6">6</a>   <strong class="jxr_keyword">import</strong> org.apache.maven.plugin.AbstractMojo;
<a name="7" href="#7">7</a>   <strong class="jxr_keyword">import</strong> org.apache.maven.plugin.MojoExecutionException;
<a name="8" href="#8">8</a>   <strong class="jxr_keyword">import</strong> org.apache.maven.plugin.MojoFailureException;
<a name="9" href="#9">9</a>   <strong class="jxr_keyword">import</strong> org.apache.maven.plugin.deltacoverage.change.ClassChange;
<a name="10" href="#10">10</a>  <strong class="jxr_keyword">import</strong> org.apache.maven.plugin.deltacoverage.coverage.CoverageReportReader;
<a name="11" href="#11">11</a>  <strong class="jxr_keyword">import</strong> org.apache.maven.plugin.deltacoverage.coverage.ModuleCoverage;
<a name="12" href="#12">12</a>  <strong class="jxr_keyword">import</strong> org.apache.maven.plugin.deltacoverage.report.DeltaCoverageReportCreator;
<a name="13" href="#13">13</a>  <strong class="jxr_keyword">import</strong> org.apache.maven.plugin.deltacoverage.scm.SCMExecutorFactory;
<a name="14" href="#14">14</a>  
<a name="15" href="#15">15</a>  
<a name="16" href="#16">16</a>  <em class="jxr_javadoccomment">/**</em>
<a name="17" href="#17">17</a>  <em class="jxr_javadoccomment"> * Mojo to generate delta coverage report. Entry point for maven plugin. </em>
<a name="18" href="#18">18</a>  <em class="jxr_javadoccomment"> * Delta coverage is calculated by taking into consideration current code coverage and code changed since a specific baseline version.</em>
<a name="19" href="#19">19</a>  <em class="jxr_javadoccomment"> * Hence needs parameters &lt;code&gt;coverageReport&lt;/code&gt; and &lt;code&gt;baselineVersion&lt;/code&gt;.</em>
<a name="20" href="#20">20</a>  <em class="jxr_javadoccomment"> * </em>
<a name="21" href="#21">21</a>  <em class="jxr_javadoccomment"> * @author Abhijeet_Kesarkar </em>
<a name="22" href="#22">22</a>  <em class="jxr_javadoccomment"> * @goal deltacoverage</em>
<a name="23" href="#23">23</a>  <em class="jxr_javadoccomment"> */</em>
<a name="24" href="#24">24</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/maven/plugin/deltacoverage/DeltaCoverageMojo.html">DeltaCoverageMojo</a> <strong class="jxr_keyword">extends</strong> AbstractMojo {
<a name="25" href="#25">25</a>  
<a name="26" href="#26">26</a>  	<em class="jxr_javadoccomment">/**</em>
<a name="27" href="#27">27</a>  <em class="jxr_javadoccomment">	 * Location where output report should be generated.</em>
<a name="28" href="#28">28</a>  <em class="jxr_javadoccomment">	 * </em>
<a name="29" href="#29">29</a>  <em class="jxr_javadoccomment">	 * @parameter expression="${delta.reportDir}" default-value="${project.build.directory}"</em>
<a name="30" href="#30">30</a>  <em class="jxr_javadoccomment">	 */</em>
<a name="31" href="#31">31</a>  	<strong class="jxr_keyword">private</strong> File reportDir;
<a name="32" href="#32">32</a>  
<a name="33" href="#33">33</a>  	<em class="jxr_javadoccomment">/**</em>
<a name="34" href="#34">34</a>  <em class="jxr_javadoccomment">	 * Location where source code resides</em>
<a name="35" href="#35">35</a>  <em class="jxr_javadoccomment">	 * </em>
<a name="36" href="#36">36</a>  <em class="jxr_javadoccomment">	 * @parameter default-value="${project.build.sourceDirectory}"</em>
<a name="37" href="#37">37</a>  <em class="jxr_javadoccomment">	 */</em>
<a name="38" href="#38">38</a>  	<strong class="jxr_keyword">private</strong> File sourceDir;
<a name="39" href="#39">39</a>  
<a name="40" href="#40">40</a>  	<em class="jxr_javadoccomment">/**</em>
<a name="41" href="#41">41</a>  <em class="jxr_javadoccomment">	 * Path of coverage report xml.</em>
<a name="42" href="#42">42</a>  <em class="jxr_javadoccomment">	 * </em>
<a name="43" href="#43">43</a>  <em class="jxr_javadoccomment">	 * @parameter expression="${delta.coverage.reportPath}" default-value="${project.reporting.outputDirectory}/cobertura/coverage.xml"</em>
<a name="44" href="#44">44</a>  <em class="jxr_javadoccomment">	 */</em>
<a name="45" href="#45">45</a>  	<strong class="jxr_keyword">private</strong> File coverageReport;
<a name="46" href="#46">46</a>  
<a name="47" href="#47">47</a>  	<em class="jxr_javadoccomment">/**</em>
<a name="48" href="#48">48</a>  <em class="jxr_javadoccomment">	 * CVS branch/tag name to be used as baseline for delta calculation.</em>
<a name="49" href="#49">49</a>  <em class="jxr_javadoccomment">	 * </em>
<a name="50" href="#50">50</a>  <em class="jxr_javadoccomment">	 * @parameter expression="${delta.baseline}"</em>
<a name="51" href="#51">51</a>  <em class="jxr_javadoccomment">	 */</em>
<a name="52" href="#52">52</a>  	<strong class="jxr_keyword">private</strong> String baselineVersion;
<a name="53" href="#53">53</a>  	
<a name="54" href="#54">54</a>  	<em class="jxr_javadoccomment">/**</em>
<a name="55" href="#55">55</a>  <em class="jxr_javadoccomment">	 * The SCM repository to use. Currently supported - CVS (default).</em>
<a name="56" href="#56">56</a>  <em class="jxr_javadoccomment">	 * </em>
<a name="57" href="#57">57</a>  <em class="jxr_javadoccomment">	 * @parameter default-value="CVS" expression="${delta.scm}"</em>
<a name="58" href="#58">58</a>  <em class="jxr_javadoccomment">	 */</em>
<a name="59" href="#59">59</a>  	<strong class="jxr_keyword">private</strong> String scm;
<a name="60" href="#60">60</a>  
<a name="61" href="#61">61</a>  	@Override
<a name="62" href="#62">62</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> execute() <strong class="jxr_keyword">throws</strong> MojoExecutionException, MojoFailureException {
<a name="63" href="#63">63</a>  
<a name="64" href="#64">64</a>  		<strong class="jxr_keyword">if</strong> (coverageReport == <strong class="jxr_keyword">null</strong> || !coverageReport.exists()) {
<a name="65" href="#65">65</a>  			getLog().error(<span class="jxr_string">"No coverage report found. Configure 'coverageReport' parameter"</span>);
<a name="66" href="#66">66</a>  			<strong class="jxr_keyword">return</strong>;
<a name="67" href="#67">67</a>  		}
<a name="68" href="#68">68</a>  
<a name="69" href="#69">69</a>  		<strong class="jxr_keyword">if</strong> (baselineVersion == <strong class="jxr_keyword">null</strong>) {
<a name="70" href="#70">70</a>  			getLog().error(<span class="jxr_string">"No baselineVersion found. Configure 'baselineVersion' parameter"</span>);
<a name="71" href="#71">71</a>  			<strong class="jxr_keyword">return</strong>;
<a name="72" href="#72">72</a>  		}
<a name="73" href="#73">73</a>  
<a name="74" href="#74">74</a>  		ModuleCoverage coverage = CoverageReportReader.getCoverageData(coverageReport);
<a name="75" href="#75">75</a>  		<strong class="jxr_keyword">try</strong> {
<a name="76" href="#76">76</a>  			List&lt;ClassChange&gt; changes = SCMExecutorFactory.getInstance().getExecutor(scm, getLog()).getDiff(sourceDir, baselineVersion);
<a name="77" href="#77">77</a>  			ModuleCoverage deltaCoverage = DeltaCoverageCalculator.calculateDeltaCoverage(coverage, changes);
<a name="78" href="#78">78</a>  			DeltaCoverageReportCreator.getInstance().createReport(deltaCoverage, reportDir, coverageReport.getParentFile());
<a name="79" href="#79">79</a>  		} <strong class="jxr_keyword">catch</strong> (Exception e) {
<a name="80" href="#80">80</a>  			getLog().error(e);
<a name="81" href="#81">81</a>  			<strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> MojoExecutionException(<span class="jxr_string">"Error"</span>, e);
<a name="82" href="#82">82</a>  		}
<a name="83" href="#83">83</a>  	}
<a name="84" href="#84">84</a>  
<a name="85" href="#85">85</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setReportDir(File reportDir) {
<a name="86" href="#86">86</a>  		<strong class="jxr_keyword">this</strong>.reportDir = reportDir;
<a name="87" href="#87">87</a>  	}
<a name="88" href="#88">88</a>  
<a name="89" href="#89">89</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setSourceDir(File sourceDir) {
<a name="90" href="#90">90</a>  		<strong class="jxr_keyword">this</strong>.sourceDir = sourceDir;
<a name="91" href="#91">91</a>  	}
<a name="92" href="#92">92</a>  
<a name="93" href="#93">93</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setCoverageReport(File coverageReport) {
<a name="94" href="#94">94</a>  		<strong class="jxr_keyword">this</strong>.coverageReport = coverageReport;
<a name="95" href="#95">95</a>  	}
<a name="96" href="#96">96</a>  
<a name="97" href="#97">97</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setBaselineVersion(String baselineVersion) {
<a name="98" href="#98">98</a>  		<strong class="jxr_keyword">this</strong>.baselineVersion = baselineVersion;
<a name="99" href="#99">99</a>  	}
<a name="100" href="#100">100</a> 
<a name="101" href="#101">101</a> 	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setScm(String scm) {
<a name="102" href="#102">102</a> 		<strong class="jxr_keyword">this</strong>.scm = scm;
<a name="103" href="#103">103</a> 	}
<a name="104" href="#104">104</a> 
<a name="105" href="#105">105</a> }
</pre>
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